Chapter 3.1
What is ecology?
What is the study of nature's houses and other organisms that live in those house.
What is a decomposer?
What is an organism that breaks down organic matter from dead organisms.
What is a food chain?
What is a series of steps in which organisms transfer energy by eating or being eaten.
What are nutrients?
What is different forms of matter organisms need to sustain life.
Which one is a biotic and abiotic factor?
A.rocks and the sun
B.fish and air
C.birds and frogs
What is B.fish and air
What are abiotic and biotic factors?
What is nonliving things and living organisms.
What is a herbivore?
What is an organism that eats only plants.
What are zooplankton?
What is small swimming animals that feed off of marine algae.
What is denitrification?
What is bacteria that covert nitrogen gas into ammonia.
Which heterotroph eats dead organisms?
A.detrivores
B.carnivores
C.scavengers
What is C.scavengers
What is a community?
What is an assemble of different populations that live in a specific area.
What is an omnivore?
What is an organism that eats both plants and animals.
What are ecological pyramids?
What is models that show the relative amount of energy in each trophic level.
What are limiting nutrients?
What is a scarce resources need for organisms to survive.
Which one is a primary producer?
A.pelicans
B.algae
C.fish
What is B.algae
What is a biosphere?
What is all life on Earth and all parts of the Earth where life exists.
What are primary producers?
What is an organism that gets its energy from sunlight.
What is a biomass?
What is the total amount of matter in organisms of each trophic level.
How does water cycle through the biosphere?
What is water circles through oceans, the air, and land.
Which one is a chemical and physical process?
A.Lightning
B.Nuclear power plants
C.volcanic eruptions
What is A.Lightning
What methods are used in ecological studies?
What is observations, experimentation, and modeling.
How do consumers obtain energy and nutrients?
What is heterotrphic organisms rely on other organisms by eating or getting eaten.
How does energy flow through ecosystems?
What is energy flows through an ecosystem in a one-way stream.
What is the importance of the main nutrient cycle?
What is so all living organisms can get nutrients to build tissue.
How much energy is transferred to each trophic level?
A. 20%
B.10%
C.15%
What is B.10%